The most profound dilemma in assisted reproduction to date is the inability to recognize potentially viable embryos before their replacement into the reproductive tract. Application of increasingly advanced new technology has allowed the field of embryo evaluation to evolve rapidly and dramatically over the past five years.
Human Preimplantation Embryo Selection assembles the leaders in the field of assisted reproduction to discuss their visions of dealing with the topic of embryo selection in the light of the limitations involving the fragility of the early human embryo.
The purpose...

Coronary stenting is the most commonly used method of myocardial revascularization, with approximately 2 million stents implanted in 2004 throughout the world. The development of drug eluting stents has resulted in very low rates of repeat intervention and will further increase the scope for percutaneous coronary intervention.
The evidence from large randomized trials is generally accepted to be the gold standard source of information for patient care in interventional cardiology. However, it is well recognized that information from these trials is frequently insufficient to guide the...

Diagnostic Methods in the Cardiac Catheterization Laboratory